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Marstars High-Performance 10G SFP+ CWDM 40km Optical Transceiver Cost-effective 10Gbps capacity expansion for medium-reach CWDM fiber networks.
Product Overview The Marstars MS-SFP-10G-C40 is a professional-grade 10Gbps SFP+ transceiver designed for Coarse Wavelength Division Multiplexing (CWDM) applications up to 40km. By utilizing specific wavelengths, it allows network operators to multiply the bandwidth of existing fiber pairs without laying new cables. Fully compliant with the SFP+ MSA and 10GBASE-ER standards, it provides a stable and high-speed link for metropolitan and enterprise backbones.
Key Technical Features
40km Medium-Range Link: Equipped with a high-stability DFB (Distributed Feedback) laser and PIN receiver for reliable 40km transmission over single-mode fiber.
Full CWDM Spectrum: Available in all 18 standard CWDM wavelengths from 1270nm to 1610nm with 20nm spacing (Specified at order).
10Gbps Wire-Speed Performance: Supports data rates from 9.95Gbps to 11.3Gbps, ideal for 10G Ethernet, OTU2, and 8G/10G Fiber Channel.
DDM/DOM Support: Integrated Digital Diagnostic Monitoring provides real-time tracking of temperature, voltage, laser bias, and optical RX/TX power levels.
Standard LC Duplex Interface: Features high-precision ceramic ferrules for low insertion loss and reliable physical contact.
Low Power Consumption: Optimized hardware design maintains power dissipation at <1.2W, reducing heat load in high-density rack-mount switches.
Multi-Vendor Compatibility: Standard MSA compliance ensures 100% compatibility with major brands like Cisco, Huawei, HP, Arista, Juniper, and MikroTik.
Technical Specifications
Data Rate: 10Gbps (SFP+)
Wavelength: 1270nm to 1610nm (Standard CWDM Grid)
Fiber Type: Single Mode (SMF)
Max Distance: 40km
Optical Components: DFB Transmitter + PIN Receiver
Standard: IEEE 802.3ae 10GBASE-ER
Operating Temp: 0C to 70C (Commercial) / -40C to 85C (Industrial optional)
Optical Budget: 14dB to 16dB Typical
Why Choose Marstars?
Wavelength Accuracy: Every module is verified with high-precision optical spectrum analyzers to ensure centering within +/- 6.5nm.
24-Hour Aging Test: Each 40km module undergoes a continuous traffic and high-temperature aging test to ensure zero packet loss in the field.
Customized EEPROM: We offer free technical coding services to ensure "Plug-and-Play" recognition in specific high-end switch models.
Reliable Support: 3-year warranty with dedicated engineering support for fiber network design and capacity planning.
Application Scenarios
Campus Core Backhaul: High-speed 10G links between buildings separated by up to 40km.
Metropolitan Area Networks (MAN): Cost-effective capacity expansion for city-wide fiber rings.
Enterprise Cloud Connect: Reliable long-reach connectivity between private data centers and office headquarters.
| SFP Module | CWDM-SFP10G 1270nm~1610nm |
| Form Factor | SFP+ |
| Max Data Rate | 11.0957Gbps |
| Wavelength | 1270nm~1610nm |
| Max Cable Distance | 40km |
| Connector | Duplex LC |
| Optical Components | EML CWDM |
| Media | SMF |
| DOM Support | Yes |
| TX Power | -1~4dBm |
| Receiver Sensitivity | <-16dBm |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Protocols | SFP+ MSA Compliant, SFF 8472,SFF 8431,802.3ae, ITU-T |
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